AEIS vs KEYS: Correlation
Advanced Energy Industries, Inc. (AEIS) and Keysight Technologies (KEYS) show a strong relationship: their 3-year correlation of weekly returns is 0.65.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEIS and KEYS?
Across a 3-year window, the weekly returns of AEIS and KEYS correlate at 0.65, strong. Little has changed lately, as the 1-year reading of 0.55 lands near the 3-year figure. Stretching to 5 years gives 0.63, with an annualized covariance of 1042.5 %².
Within AEIS's tracked universe of 32 assets, KEYS comes in at #9 by 3-year correlation. The trailing year gives KEYS the advantage: +87.0% versus +97.4%, a 10.4-point spread.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
AEIS vs KEYS: side by side
| AEIS (Advanced Energy Industries, Inc.) | KEYS (Keysight Technologies) | |
|---|---|---|
| 1-year return | +87.0% | +97.4% |
| 5-year return | +222.9% | +81.9% |
| Volatility (ann.) | 43.9% | 36.8% |
| Beta vs S&P 500 | 1.69 | 1.58 |
| Max drawdown (3Y) | -39.9% | -31.4% |
| Market cap | $11.5B | $55.5B |
| P/E (trailing) | 52.4 | 43.5 |
| Dividend yield | 0.14% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | AEIS | KEYS |
|---|---|---|
| 2022 | -5.4% | -17.2% |
| 2023 | +27.5% | -7.0% |
| 2024 | +6.6% | +1.0% |
| 2025 | +81.6% | +26.5% |
| 2026 | +37.3% | +60.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEIS and KEYS good diversifiers for each other?
Only partially. A correlation of 0.65 means AEIS and KEYS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between AEIS and KEYS?
The AEIS/KEYS correlation stands at 0.65 on a 3-year window (1 year: 0.55, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is KEYS a good diversifier for AEIS?
Only partially. A correlation of 0.65 means AEIS and KEYS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.65 mean?
A reading of 0.65 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aeis-vs-keys.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aeis-vs-keys/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AEIS correlations · KEYS correlations
